Security readout for executives and security teams
This is a user-enumeration issue in the POP3 service on IBM iSeries AS/400. A remote person could distinguish valid from invalid user IDs based on different error messages. That does not grant access by itself, but it can improve password-guessing, phishing, and account-targeting efforts. Organizations running IBM iSeries AS/400 with POP3 enabled and reachable externally or broadly internally are the most likely exposed. The bundle does not identify exact versions or CPEs. Treat this as a reconnaissance risk, not a direct compromise. Prioritize it if AS/400 POP3 is internet-facing, supports sensitive accounts, or lacks strong monitoring and access controls. Mitigation focus: Check IBM or platform-specific guidance for supported fixes or configuration changes.; Disable POP3 where it is not required for business operations.; Restrict POP3 access to trusted networks or approved mail infrastructure..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2005-1133 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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